Chair frame



FIG. 1 is a perspective view of a chair frame embodying the presentinvention;

FIG. 2 is a front view of the chair frame;

FIG. 3 is a first side view of the chair frame;

FIG. 4 is a second side view of the chair frame;

FIG. 5 is a rear view of the chair frame;

FIG. 6 is a top view of the chair frame; and,

FIG. 7 is a bottom view of the chair frame.

The broken lines shown in the drawing are for illustrative purposes onlyand form no part of the claimed design.

CLAIM We claim the ornamental design for the chair frame, as shown anddescribed.